<template>
  <div class="count">
    <h1>当前求和为:{{$store.state.sum}}</h1>
    <h3>当前求和放大10倍为:{{$store.getters.bigSum}}</h3>
    <select v-model.number="n">
      <option value="1">1</option>
      <option value="2">2</option>
      <option value="3">3</option>
    </select>
    <button @click="increment">+</button>
    <button @click="decrement">-</button>
    <button @click="incrementOdd">当前求和为奇数再加</button>
    <button @click="incrementWait">等一等再加</button>
  </div>
</template>

<script>
export default {
  name: 'count-com',
  data() {
    return {
      n: 1,    // 用户选择的数字
      canRun: true
    }
  },
  methods: {
    // 增加
    increment(){
      this.$store.commit('AddHandler', this.n)
    },
    // 减少
    decrement() {
      this.$store.commit('SubHandler', this.n)
    },
    // 奇数 增加
    incrementOdd() {
      this.$store.commit('OddHandler', this.n)
    },
    // 等待 增加
    incrementWait() {
      this.$store.dispatch('waitHandler', this.n)
    }
  },
}
</script>

<style lang="sass">
$margin-left: 10px

button
  margin: $margin-left
</style>